| | Naples, FL | New Smyrna Beach, FL | United States |
| Population | 19,187 | 29,674 | 329,725,481 |
| Female Population | 53.4% | 51.4% | 50.5% |
| Male Population | 46.6% | 48.6% | 49.5% |
| Median Age | 66.3 | 58.9 | 38.4 |
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| Population - 2010 | 19,304 | 23,443 | 309,327,143 |
| Population - 2000 | 20,976 | 20,048 | 285,036,114 |
| Population - 1990 | 19,505 | 16,543 | 251,960,433 |
| Pop. 2000 to Now | 4.8% | 43.3% | 15.6% |
| Pop. 1990 to Now | 12.7% | 73.6% | 30.8% |
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| Population Density | 1,560.2 | 789.8 | 93.4 |
| Land Area | 12.3 | 37.6 | 3,531,905.4 |
| Water Area | 4.1 | 3.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Naples, FL | New Smyrna Beach, FL | United States |
| Age 0 to 4 | 1.8% | 3.9% | 5.9% |
| Age 5 to 9 | 2.9% | 3.4% | 6.1% |
| Age 10 to 14 | 3.4% | 2.8% | 6.6% |
| Age 15 to 17 | 1.4% | 2.3% | 3.9% |
| Age 18 to 20 | 1.5% | 1.9% | 4.0% |
| Age 21 to 24 | 2.6% | 2.1% | 5.2% |
| Age 25 to 34 | 4.5% | 8.4% | 13.8% |
| Age 35 to 44 | 3.1% | 8.0% | 12.9% |
| Age 45 to 54 | 9.9% | 10.2% | 12.6% |
| Age 55 to 59 | 6.5% | 9.9% | 6.7% |
| Age 60 to 64 | 9.5% | 9.9% | 6.3% |
| Age 65 to 74 | 23.3% | 19.6% | 9.6% |
| Age 75 to 84 | 21.5% | 12.2% | 4.5% |
| Age 85 and over | 8.1% | 5.5% | 1.9% |
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| Race | | | |
| | Naples, FL | New Smyrna Beach, FL | United States |
| White | 87.7% | 86.7% | 59.4% |
| Black | 5.2% | 2.7% | 12.2% |
| Asian | 1.0% | 0.8% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.2% | 0.4% |
| Two or More Races | 1.2% | 2.2% | 3.2% |
| Hispanic | 4.5% | 7.1% | 18.4% |
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| Marriage & Family | | | |
| | Naples, FL | New Smyrna Beach, FL | United States |
| Married Population | 62.3% | 56.0% | 49.8% |
| Currently Married | 61.6% | 54.3% | 48.0% |
| Married but Separated | 0.8% | 1.7% | 1.8% |
| Single Population | 37.7% | 44.0% | 50.2% |
| Never Married | 15.4% | 17.4% | 33.8% |
| Divorced | 11.5% | 16.5% | 10.8% |
| Widowed | 10.8% | 10.1% | 5.6% |
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| Household Size | 1.97 | 2.02 | 2.60 |
| Households | 9,594 | 14,574 | 124,010,992 |
| Family Households | 5,757 | 8,551 | 80,755,759 |
| Married couple, w/children | 10.5% | 13.3% | 30.5% |
| Married couple, no children | 79.9% | 67.4% | 42.9% |
| Non Family Households | 3,837 | 6,023 | 43,255,233 |
| Single householder, w/children | 4.0% | 10.1% | 15.8% |
| Single householder, no children | 5.6% | 9.2% | 10.8% |